282 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses, etc. — Continued. 



Cotton-hull Ashes. 

 [Three samples, sent on from Agawam, Mass.] 



Moisture at 100° C , . 



Potassium oxide, 



Calcium oxide, .... 



Magnesium oxide, 



Ferric and aluminic oxides, 



Pliosphoric acid. 



Insoluble matter (before calcination), 



Insoluble matter (after calcination), 



4.5S 

 21.75 



9.66 

 10.95 



3.29 

 10.2P6 

 19.20 

 16„27 



* Not determined. 



Ivory AsJies. 



[Sent on from Springfield, Mass.] 



Moisture at 100° C, . 



Potassium oxiile, .... 



Calcium oxide, .... 



Magnesium oxide. 



Ferric and aluminic oxides, . 



Total j^hosphoric acid, . 



Soluble phosphoric acid. 



Insoluble matter (before calcination), 



Insoluble matter (after calcination). 



Per Cent. 



1.75 

 2.44 

 2.70 

 0.83 

 2.33 

 2.05 

 0.19 

 89.14 

 71.48 



Livie-kilii Ashes. 



[Sent on from Sunderlaml, Mas 



Moisture at 100° C 



Potassium oxide, ..... 

 Calcium oxide, ..... 



Phosphoric acid, 



Insoluble matter (before calcination), . 

 Insoluble matter (after calcination), . 



^•] 



Per Cent. 

 0.00 

 2.12 



56.28 



1.21 



15.11 



12.63 



